Perhaps you should try some spelling variations:
bulgariae » bulgaricae, bulgaria, bulgarian, vulgariae, bulgariaiae
bulgarie » bulgarien, bulgaria, bulgarian, vulgarie, bulgariaie
vulgarian » bulgarian, bulgarians, vulgaridad
bulgariaica » bulgarica, bulgariia, vulgariaica, bulgariaiaica
bulgar » vulgar, bulgaria
bulgare » vulgare, bulgariae, bulgarien, bulgaria
bulger » bulge, bulges

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((bulgariae OR (bulgarie OR (vulgarian OR bulgariaica))) OR ((bulgar OR bulgare) OR bulger)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bulgariae or (bulgarie or (vulgarian or bulgariaica))) or ((bulgar OR bulgare) or bulger))".
• Adding a wildcard symbol may retrieve word variants: ((bulgariae or (bulgarie or (vulgarian or bulgariaica))) or ((bulgar OR bulgare) or bulger))*.